28821440 (number)

28821440 is an even 8-digits composite number following 28821439 and preceding 28821441. In scientific notation, it is written as 2.8821440 × 10^7. The sum of its digits is 29. It has a total of 8 prime factors and 28 positive divisors. There are 11528448 positive integers (up to 28821440) that are relatively prime to 28821440.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred twenty-one thousand four hundred forty

Notation

Scientific notation 2.8821440 × 10^7
Engineering notation 2.8821440 × 10^6

Prime Factorization of 28821440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 90067

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 900670
Product of the distinct prime numbers

The prime factorization of 28821440 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 90067. Since it has a total of 8 prime factors.

Most popular turbo-numbers

10, 4, 38, 60, 400, 258, 9213, 4883, 80854, 73614, 51817, 717091, 8833807, 7850090, 92301341, 10979810, 74713457, 516007413, 6154529553, 6010615403

Basic calculations (n = 28821440)

Multiplication

n×y
n×2 57642880
n×3 86464320
n×4 115285760
n×5 144107200

Division

n÷y
n÷2 14410720
n÷3 9607146.6666667
n÷3 7205360
n÷5 5764288

Exponentiation

ny
n2 830675403673600
n3 2.3941261306454E+22
n4 6.900216262683E+29
n5 1.9887416900194E+37

Nth Root

y√n
2√n 5368.5603284307
3√n 306.59981739688
4√n 73.270460135246
5√n 31.04153115414

Divisors of 28821440

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 90067, 180134, 360268, 450335, 720536, 900670, 1441072, 1801340, 2882144, 3602680, 5764288, 7205360, 14410720, 28821440

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28821439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28821440 can be divided by 28 positive divisors. The sum of these divisors (counting 28821440) is 1, the average is 0.035714285714286.

Base conversion 28821440

Base System Value
2 Binary 1101101111100011111000000
3 Ternary 2000020021120202
4 Quaternary 1231330133000
5 Quinary 24334241230
6 Senary 2505424332
8 Octal 155743700
10 Decimal 28821440
12 Duodecimal 979b0a8
16 Hexadecimal 1b7c7c0
20 Vigesimal 902dc0
36 Base36 h5qrk

Cryptographic Hash Functions

md5 dee683ecdd3b2b6cd6ca2c4b75eaa114
sha1 0479e02302424eb92769814e456b59c3422a08c1
sha256 37b89b0a1e7095829652602841228c8026f968566acb9a21e12bc7a25f821ee0
sha512 4d2cd8498177e90e530af874971011f0c549fde645271232e608a61a73945502fa828b6647386e14b446dba35aec11c45b72b50d4db9d0bddefdd32436310728
ripemd-160 2e1817d1ac699890bb0ea8d064a0f7bd3608ea61

28821440 as geometric shapes

Circle

Radius = n
Diameter 57642880
Circumference 181090448.33976
Area 2.6096437456987E+15

Sphere

Radius = n
Volume 1.0028492085071E+23
Surface area 1.0438574982795E+16
Circumference 181090448.33976

Square

Length = n
Perimeter 115285760
Area 830675403673600
Diagonal 40759671.335122

Cube

Length = n
Surface area 4984052422041600
Volume 2.3941261306454E+22
Space diagonal 49920198.427298

Equilateral Triangle

Length = n
Perimeter 86464320
Area 3.5969300094012E+14
Altitude 24960099.213649

Triangular Pyramid

Length = n
Surface area 3.5969300094012E+14
Volume 2.8215047033255E+21
Height 13586557.111707